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WordPress Vulnerabilities

WordPress < 5.4.1 - Authenticated Cross-Site Scripting (XSS) in Search Block

Description

An authenticated user could customise the class of the search block, leading to Cross-Site Scripting (XSS)

Affects WordPress

5.4
Fixed in version 5.4.1
5.3.2
Fixed in version 5.3.3
5.3.1
Fixed in version 5.3.3
5.3
Fixed in version 5.3.3
5.2.5
Fixed in version 5.2.6
5.2.4
Fixed in version 5.2.6
5.2.3
Fixed in version 5.2.6
5.2.2
Fixed in version 5.2.6
5.2.1
Fixed in version 5.2.6
5.2
Fixed in version 5.2.6

References

CVE
CVE-2020-11030
URL
https://wordpress.org/news/2020/04/wordpress-5-4-1/
URL
https://core.trac.wordpress.org/changeset/47636/
URL
https://www.wordfence.com/blog/2020/04/unpacking-the-7-vulnerabilities-fixed-in-todays-wordpress-5-4-1-security-update/
URL
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-vccm-6gmc-qhjh

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

Ben Bidner

Submitter

Ryan

Verified

No

WPVDB ID
e4bda91b-067d-45e4-a8be-672ccf8b1a06

Timeline

Publicly Published

2020-04-29 (about 3 years ago)

Added

2020-04-30 (about 3 years ago)

Last Updated

2020-05-02 (about 3 years ago)

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